SCI7661MAA 데이터 시트보기 (PDF) - Seiko Epson Corp

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SCI7661MAA

DC-DC Converter

Seiko Epson Corp 

SCI7661COA/MOA

Characteristic

Regulated output load

fluctuation

Symbol Min. Typ.

∆Vreg

5

∆IOUT

Regulated output saturation

resistance

RSAT

5

Reference voltage

VRV0

-2.3

-1.5

VRV1

-1.7

-1.3

VRV2

-1.1

-0.9

Temperature Gradient

CT0

-0.25 -0.1

CT4

-0.5 -0.4

CT2

-0.7 -0.6

Input leakage current

IL

Max.

-1.0

-1.1

-0.8

-0.06

-0.3

-0.5

2.0

Unit

Ω

Ω

V

V

V

%/°C

%/°C

%/°C

µA

Condition

VOUT=-15V, Vreg=-8V,

Ta=25°C

0<IOUT<10mA, TC1=VDD

TC2=VOUT

RSAT=D(Vreg—VOUT)/DIOUT

0<IOUT<10mA, RV=VDD,

Ta=25°C

TC2=VOUT, TC1=VDD, Ta=25°C

TC2=TC1=VOUT, Ta=25∞C

TC2=VDD, TC1=VOUT, Ta=25°C

CT =

| Vreg(50°C) | - | Vreg(0°C) |

50°C-0°C

1

× | Vreg(25°C) | ×100

Poff, TC1, TC2, OSC1, RV pins

s RECOMMENDED OPERATING CONDITIONS

(Ta=-30 to 85°C)

Condition

Booster start voltage

Booster stop voltage

Output load resistance

Output load current

Oscillation frequency

Extarnal resistance for

oscillation

Symbol

VSTA1

VSTA2

VSTP

RL

IOUT

fOSC

ROSC

Min.

-1.2

RL Min.*2

10

680

Max.

-1.2

-2.2

20

30

2000

Unit

Remark

V

ROSC=1MΩ, C3≥10µF*1

CL/C3≤1/20, Ta=-20 to 85°C

V

ROSC=1MΩ

V

ROSC=1MΩ

Ω

mA

kHz

kΩ

Capasitor for booster

C1, C2, C3

3.3

µF

Regulated output adjustable

resistance

RRV

100

1000

kΩ

*1: Recommended circuity in low voltage operation is

shown below.

*2: RL Min. depends on input voltage as shown below.

(VIN=-1.2V ~ -2.2V)

=C1=10µF

+

1

-2

+3

-4

C2=10µF 5

6

7

14

13 ROSC=

12 1MΩ

11

10

9

8

RL

CL

+-

C3=22µF

D1(VF(IF=1mA)) ≤ 0.6v

5

VSTA2

4

VSTA1

3

2

1

Triple

Double

0

0 1.5 2 3

VIN(V)

4 56

3

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